Ennis is new chairman of Invest Northern Ireland
Mark Ennis has been appointed as the new chairman of Invest Northern Ireland.
Mr Ennis is currently the executive chairman of the leading electricity and gas company SSE Ireland.
His appointment will be for three years from 1 January 2012.
Enterprise Minister Arlene Foster said she was confident Mr Ennis's experience would prove "vital as we tackle the challenge of rebuilding and rebalancing the Northern Ireland economy".
"The position of chair of Invest Northern Ireland is a challenging job and it is essential that in times of economic difficulties, we have strong and effective leaders who are equipped with all the skills and knowledge needed to deliver change," she added.
The minister also paid tribute to the outgoing chairman Stephen Kingon.